From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E287223707 for ; Sat, 6 Jun 2026 15:10:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780758604; cv=none; b=T/2QmTc2msAiVKBEV+OP0JZb1zUw2foXhyfIeZV7x5rvIAPfXyQyIvv2H8xvo5nEij847/6erOapjqvnSHx+eBwtptdUI4XpVIZ/waMxjaJOJBk3Du9JBMDwFQKyUlVIrS56GlKf2XeMBx5UNu2T6x+SqJr9H7wrf4y5lExpsL4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780758604; c=relaxed/simple; bh=NAlK27rKjFd326ZZvJ8YpaVXWsyy/7G3253JFXAU2YI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ZLmDzUGeAc2c7Hm9Cnz4QnqpLTDUDOPec0DkFmnfEFbpmQ1LTIM+hWe+dSJVrjk+Hs2Nl34v5Kyt7R3tFFnuNaah3/wcBZWkVxMgtdH+2r/9Je+o53VKrXRXx042GrWW+h6JAS3I+VC0ttZEb6SqEokEGfHkYrRdCxu1UAGVeBk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f69.google.com with SMTP id 46e09a7af769-7e6691e48b7so5011622a34.2 for ; Sat, 06 Jun 2026 08:10:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780758601; x=1781363401; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=dg2bLABRO48cjMMpOARZ2iPmOXnXJ9F+nLBHs1UcKo0=; b=Rbvsa5qhhqbOlyFrzMWi+RsuNW761b/kAIRV/Nb+fBgWpXFrTFt/1iGwsGqYztxMgQ IFT0Jq3KKCfkEjw8GQnwf3Y7hHThhGLgRGn545cfVkK/MOvdilyTed3/0ugzJCMllN9N NBOoc6be86Sw4YYmdpq73t83ohGpWk6cYNA0CqlbtrYtOZC6iRar6/dB8NJ71FsDuFXw I1noJ8MyIo9dEGksqds4YBW1NIYKwBK9F7ezkkTVIta+ROeUA8wsgUW3HRsImDrONC21 pGy1s0LvegLijqLbHK4UTLYrLMoi4iXGWJ3Zqphtj+w0EubfnFWo6s0OsnDw1YauKarF zpZw== X-Forwarded-Encrypted: i=1; AFNElJ/vL76lPLVGvTnN7xLfOLNHV0CxSEZOG7euKn5e8/aT7rqEsypFjr/9ia+o5q3Pz1Fdz7wM6cJ5NnUqmBU=@vger.kernel.org X-Gm-Message-State: AOJu0YwFo5qyZtd3DsCIocqX80dNLPPinG5RCJkWQlLM/DsblWOXWAqi 1VIQa5FcI30BqxAAmhwK7NhcgslupQIh/9gEzzZj5hAmca72sOplgl2bozN9U+lqVUbvrcKDpdr HW4+VO00RtxJYJ+BlP8f24/oL5ugWTYhNrAq7vfalpaFZpBsx2UxKfEj2deU= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:818f:b0:69e:424a:8df1 with SMTP id 006d021491bc7-69e68b4b285mr4403326eaf.19.1780758601636; Sat, 06 Jun 2026 08:10:01 -0700 (PDT) Date: Sat, 06 Jun 2026 08:10:01 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a243849.e4db5ad2.3b7dfb.0008.GAE@google.com> Subject: Re: [syzbot] [kvm?] [kvm-x86?] INFO: rcu detected stall in kvm_vcpu_ioctl (4) From: syzbot To: clopez@suse.de, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: lost connection to test machine Tested on: commit: 5a40f3f6 KVM: x86: hyper-v: Clamp stimer deadline to a.. git tree: https://github.com/00xc/linux.git kvm/x86/hyperv-stimer-overflow console output: https://syzkaller.appspot.com/x/log.txt?x=10354f2e580000 kernel config: https://syzkaller.appspot.com/x/.config?x=975c59d5c8924004 dashboard link: https://syzkaller.appspot.com/bug?extid=3d5461510f8dc4adfe30 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Note: no patches were applied.